Application written in VB need to check the checksum of a file. The checksum is not stored in the file. If the old checksum and the new checksum does not match, the file is tampered. How to get the old and the new checksum?

1. Save lines of checksum and path\filename pairs in a file.
2. When your program starts, read these lines into a dictionary object with the checksum being the data and the path\filename being the key.
3. As you look at the current state of files, use the path\filename to retrieve the old checksum for comparison.

If you have ever used Microsoft Word then you know that it has a good spell checker and it may have occurred to you that the ability to check spelling might be a nice piece of functionality to add to certain applications of yours. Well the code that…

Here are a few simple, working, games that you can use as-is or as the basis for your own games.
Tic-Tac-Toe
This is one of the simplest of all games.
The game allows for a choice of who goes first and keeps track of the number of wins for…

As developers, we are not limited to the functions provided by the VBA language. In addition, we can call the functions that are part of the Windows operating system. These functions are part of the Windows API (Application Programming Interface). U…

Show developers how to use a criteria form to limit the data that appears on an Access report. It is a common requirement that users can specify the criteria for a report at runtime. The easiest way to accomplish this is using a criteria form that a…